72540423

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 112334040

約数和(自身を除く): 39793617

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 269, 361, 747, 807, 1083, 1577, 2421, 3249, 4731, 5111, 14193, 15333, 22327, 29963, 45999, 66981, 89889, 97109, 200943, 269667, 291327, 424213, 873981, 1272639, 3817917, 8060047, 24180141, 72540423]

約数ペア:

[(1, 72540423), (3, 24180141), (9, 8060047), (19, 3817917), (57, 1272639), (83, 873981), (171, 424213), (249, 291327), (269, 269667), (361, 200943), (747, 97109), (807, 89889), (1083, 66981), (1577, 45999), (2421, 29963), (3249, 22327), (4731, 15333), (5111, 14193)]